This is a set of World War II miniature rules from GHQ designed especially for their Micronauts (1:2400) naval miniatures line.
From the publisher:
Game Scale: 1 ship = 1 ship, 1 inch = 1000 yds/meters, 1 tactical turn = 6 minutes
Aircraft/Motor Torpede Boat: 1 unit = 6 crafts
Take control of your favorite World War II fleet!
Engage in surface, submarine and air combat. These fast paced rules feature telescoping time scales,
from 1 hour "strategic turns" to 1 minute "impulses" during the crucial final seconds of air attacks.
Micronauts: The Game - WWII contains ship and aircraft data for US, British, Dutch, German, Japanese, and Italian forces. Color game markers and combat table cards are also included. Get started with 10 ready-to-play historical scenarios set in the Atlantic, Mediterranean and Pacific.
You can also design your own scenarios with the scenario generation system.